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Improvement in Levers for Presses.

Description: Patent for improvements on locks and fasteners of shutters.
Date: March 3, 1873
Creator: Gates, Joseph P.
Partner: UNT Libraries Government Documents Department

Mail-Box Hanger

Description: Patent for a mail box hanger for mailboxes that allows the mailman to easily deliver mail to them.
Date: December 3, 1912
Creator: Bell, Fred
Partner: UNT Libraries Government Documents Department

Bit for Well-Drilling Apparatus.

Description: Patent for an expansion bit for a well-drilling apparatus that can be "adjusted and removed without without withdrawing the well tubing, and to provide means whereby a bit capable of drilling a hole sufficiently larger than the well tubing to accommodate a casing may be introduced through the tubing" (lines 11-16).
Date: April 3, 1894
Creator: Horton, Stephen A.
Partner: UNT Libraries Government Documents Department
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